// File generated from our OpenAPI spec
package com.stripe.param;

import com.google.gson.annotations.SerializedName;
import com.stripe.net.ApiRequestParams;
import com.stripe.param.common.EmptyParam;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import lombok.EqualsAndHashCode;
import lombok.Getter;

@Getter
@EqualsAndHashCode(callSuper = false)
public class PaymentMethodCreateParams extends ApiRequestParams {
  /**
   * If this is an {@code acss_debit} PaymentMethod, this hash contains details about the ACSS Debit
   * payment method.
   */
  @SerializedName("acss_debit")
  AcssDebit acssDebit;

  /**
   * If this is an {@code affirm} PaymentMethod, this hash contains details about the Affirm payment
   * method.
   */
  @SerializedName("affirm")
  Affirm affirm;

  /**
   * If this is an {@code AfterpayClearpay} PaymentMethod, this hash contains details about the
   * AfterpayClearpay payment method.
   */
  @SerializedName("afterpay_clearpay")
  AfterpayClearpay afterpayClearpay;

  /**
   * If this is an {@code Alipay} PaymentMethod, this hash contains details about the Alipay payment
   * method.
   */
  @SerializedName("alipay")
  Alipay alipay;

  /**
   * This field indicates whether this payment method can be shown again to its customer in a
   * checkout flow. Stripe products such as Checkout and Elements use this field to determine
   * whether a payment method can be shown as a saved payment method in a checkout flow. The field
   * defaults to {@code unspecified}.
   */
  @SerializedName("allow_redisplay")
  AllowRedisplay allowRedisplay;

  /** If this is a Alma PaymentMethod, this hash contains details about the Alma payment method. */
  @SerializedName("alma")
  Alma alma;

  /**
   * If this is a AmazonPay PaymentMethod, this hash contains details about the AmazonPay payment
   * method.
   */
  @SerializedName("amazon_pay")
  AmazonPay amazonPay;

  /**
   * If this is an {@code au_becs_debit} PaymentMethod, this hash contains details about the bank
   * account.
   */
  @SerializedName("au_becs_debit")
  AuBecsDebit auBecsDebit;

  /**
   * If this is a {@code bacs_debit} PaymentMethod, this hash contains details about the Bacs Direct
   * Debit bank account.
   */
  @SerializedName("bacs_debit")
  BacsDebit bacsDebit;

  /**
   * If this is a {@code bancontact} PaymentMethod, this hash contains details about the Bancontact
   * payment method.
   */
  @SerializedName("bancontact")
  Bancontact bancontact;

  /**
   * If this is a {@code billie} PaymentMethod, this hash contains details about the Billie payment
   * method.
   */
  @SerializedName("billie")
  Billie billie;

  /**
   * Billing information associated with the PaymentMethod that may be used or required by
   * particular types of payment methods.
   */
  @SerializedName("billing_details")
  BillingDetails billingDetails;

  /**
   * If this is a {@code blik} PaymentMethod, this hash contains details about the BLIK payment
   * method.
   */
  @SerializedName("blik")
  Blik blik;

  /**
   * If this is a {@code boleto} PaymentMethod, this hash contains details about the Boleto payment
   * method.
   */
  @SerializedName("boleto")
  Boleto boleto;

  /**
   * If this is a {@code card} PaymentMethod, this hash contains the user's card details. For
   * backwards compatibility, you can alternatively provide a Stripe token (e.g., for Apple Pay,
   * Amex Express Checkout, or legacy Checkout) into the card hash with format {@code card: {token:
   * "tok_visa"}}. When providing a card number, you must meet the requirements for <a
   * href="https://stripe.com/docs/security#validating-pci-compliance">PCI compliance</a>. We
   * strongly recommend using Stripe.js instead of interacting with this API directly.
   */
  @SerializedName("card")
  Object card;

  /**
   * If this is a {@code cashapp} PaymentMethod, this hash contains details about the Cash App Pay
   * payment method.
   */
  @SerializedName("cashapp")
  Cashapp cashapp;

  /**
   * If this is a Crypto PaymentMethod, this hash contains details about the Crypto payment method.
   */
  @SerializedName("crypto")
  Crypto crypto;

  /**
   * If this is a {@code custom} PaymentMethod, this hash contains details about the Custom payment
   * method.
   */
  @SerializedName("custom")
  Custom custom;

  /** The {@code Customer} to whom the original PaymentMethod is attached. */
  @SerializedName("customer")
  String customer;

  /**
   * If this is a {@code customer_balance} PaymentMethod, this hash contains details about the
   * CustomerBalance payment method.
   */
  @SerializedName("customer_balance")
  CustomerBalance customerBalance;

  /**
   * If this is an {@code eps} PaymentMethod, this hash contains details about the EPS payment
   * method.
   */
  @SerializedName("eps")
  Eps eps;

  /** Specifies which fields in the response should be expanded. */
  @SerializedName("expand")
  List<String> expand;

  /**
   * Map of extra parameters for custom features not available in this client library. The content
   * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
   * key/value pair is serialized as if the key is a root-level field (serialized) name in this
   * param object. Effectively, this map is flattened to its parent instance.
   */
  @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
  Map<String, Object> extraParams;

  /**
   * If this is an {@code fpx} PaymentMethod, this hash contains details about the FPX payment
   * method.
   */
  @SerializedName("fpx")
  Fpx fpx;

  /**
   * If this is a {@code giropay} PaymentMethod, this hash contains details about the Giropay
   * payment method.
   */
  @SerializedName("giropay")
  Giropay giropay;

  /**
   * If this is a {@code grabpay} PaymentMethod, this hash contains details about the GrabPay
   * payment method.
   */
  @SerializedName("grabpay")
  Grabpay grabpay;

  /**
   * If this is an {@code ideal} PaymentMethod, this hash contains details about the iDEAL payment
   * method.
   */
  @SerializedName("ideal")
  Ideal ideal;

  /**
   * If this is an {@code interac_present} PaymentMethod, this hash contains details about the
   * Interac Present payment method.
   */
  @SerializedName("interac_present")
  InteracPresent interacPresent;

  /**
   * If this is a {@code kakao_pay} PaymentMethod, this hash contains details about the Kakao Pay
   * payment method.
   */
  @SerializedName("kakao_pay")
  KakaoPay kakaoPay;

  /**
   * If this is a {@code klarna} PaymentMethod, this hash contains details about the Klarna payment
   * method.
   */
  @SerializedName("klarna")
  Klarna klarna;

  /**
   * If this is a {@code konbini} PaymentMethod, this hash contains details about the Konbini
   * payment method.
   */
  @SerializedName("konbini")
  Konbini konbini;

  /**
   * If this is a {@code kr_card} PaymentMethod, this hash contains details about the Korean Card
   * payment method.
   */
  @SerializedName("kr_card")
  KrCard krCard;

  /**
   * If this is an {@code Link} PaymentMethod, this hash contains details about the Link payment
   * method.
   */
  @SerializedName("link")
  Link link;

  /**
   * If this is a MB WAY PaymentMethod, this hash contains details about the MB WAY payment method.
   */
  @SerializedName("mb_way")
  MbWay mbWay;

  /**
   * Set of <a href="https://stripe.com/docs/api/metadata">key-value pairs</a> that you can attach
   * to an object. This can be useful for storing additional information about the object in a
   * structured format. Individual keys can be unset by posting an empty value to them. All keys can
   * be unset by posting an empty value to {@code metadata}.
   */
  @SerializedName("metadata")
  Map<String, String> metadata;

  /**
   * If this is a {@code mobilepay} PaymentMethod, this hash contains details about the MobilePay
   * payment method.
   */
  @SerializedName("mobilepay")
  Mobilepay mobilepay;

  /**
   * If this is a {@code multibanco} PaymentMethod, this hash contains details about the Multibanco
   * payment method.
   */
  @SerializedName("multibanco")
  Multibanco multibanco;

  /**
   * If this is a {@code naver_pay} PaymentMethod, this hash contains details about the Naver Pay
   * payment method.
   */
  @SerializedName("naver_pay")
  NaverPay naverPay;

  /**
   * If this is an nz_bank_account PaymentMethod, this hash contains details about the
   * nz_bank_account payment method.
   */
  @SerializedName("nz_bank_account")
  NzBankAccount nzBankAccount;

  /**
   * If this is an {@code oxxo} PaymentMethod, this hash contains details about the OXXO payment
   * method.
   */
  @SerializedName("oxxo")
  Oxxo oxxo;

  /**
   * If this is a {@code p24} PaymentMethod, this hash contains details about the P24 payment
   * method.
   */
  @SerializedName("p24")
  P24 p24;

  /**
   * If this is a {@code pay_by_bank} PaymentMethod, this hash contains details about the PayByBank
   * payment method.
   */
  @SerializedName("pay_by_bank")
  PayByBank payByBank;

  /**
   * If this is a {@code payco} PaymentMethod, this hash contains details about the PAYCO payment
   * method.
   */
  @SerializedName("payco")
  Payco payco;

  /** The PaymentMethod to share. */
  @SerializedName("payment_method")
  String paymentMethod;

  /**
   * If this is a {@code paynow} PaymentMethod, this hash contains details about the PayNow payment
   * method.
   */
  @SerializedName("paynow")
  Paynow paynow;

  /**
   * If this is a {@code paypal} PaymentMethod, this hash contains details about the PayPal payment
   * method.
   */
  @SerializedName("paypal")
  Paypal paypal;

  /**
   * If this is a {@code pix} PaymentMethod, this hash contains details about the Pix payment
   * method.
   */
  @SerializedName("pix")
  Pix pix;

  /**
   * If this is a {@code promptpay} PaymentMethod, this hash contains details about the PromptPay
   * payment method.
   */
  @SerializedName("promptpay")
  Promptpay promptpay;

  /**
   * Options to configure Radar. See <a href="https://stripe.com/docs/radar/radar-session">Radar
   * Session</a> for more information.
   */
  @SerializedName("radar_options")
  RadarOptions radarOptions;

  /**
   * If this is a {@code revolut_pay} PaymentMethod, this hash contains details about the Revolut
   * Pay payment method.
   */
  @SerializedName("revolut_pay")
  RevolutPay revolutPay;

  /**
   * If this is a {@code samsung_pay} PaymentMethod, this hash contains details about the SamsungPay
   * payment method.
   */
  @SerializedName("samsung_pay")
  SamsungPay samsungPay;

  /**
   * If this is a {@code satispay} PaymentMethod, this hash contains details about the Satispay
   * payment method.
   */
  @SerializedName("satispay")
  Satispay satispay;

  /**
   * If this is a {@code sepa_debit} PaymentMethod, this hash contains details about the SEPA debit
   * bank account.
   */
  @SerializedName("sepa_debit")
  SepaDebit sepaDebit;

  /**
   * If this is a {@code sofort} PaymentMethod, this hash contains details about the SOFORT payment
   * method.
   */
  @SerializedName("sofort")
  Sofort sofort;

  /**
   * If this is a {@code swish} PaymentMethod, this hash contains details about the Swish payment
   * method.
   */
  @SerializedName("swish")
  Swish swish;

  /**
   * If this is a TWINT PaymentMethod, this hash contains details about the TWINT payment method.
   */
  @SerializedName("twint")
  Twint twint;

  /**
   * The type of the PaymentMethod. An additional hash is included on the PaymentMethod with a name
   * matching this value. It contains additional information specific to the PaymentMethod type.
   */
  @SerializedName("type")
  Type type;

  /**
   * If this is an {@code us_bank_account} PaymentMethod, this hash contains details about the US
   * bank account payment method.
   */
  @SerializedName("us_bank_account")
  UsBankAccount usBankAccount;

  /**
   * If this is an {@code wechat_pay} PaymentMethod, this hash contains details about the wechat_pay
   * payment method.
   */
  @SerializedName("wechat_pay")
  WechatPay wechatPay;

  /**
   * If this is a {@code zip} PaymentMethod, this hash contains details about the Zip payment
   * method.
   */
  @SerializedName("zip")
  Zip zip;

  private PaymentMethodCreateParams(
      AcssDebit acssDebit,
      Affirm affirm,
      AfterpayClearpay afterpayClearpay,
      Alipay alipay,
      AllowRedisplay allowRedisplay,
      Alma alma,
      AmazonPay amazonPay,
      AuBecsDebit auBecsDebit,
      BacsDebit bacsDebit,
      Bancontact bancontact,
      Billie billie,
      BillingDetails billingDetails,
      Blik blik,
      Boleto boleto,
      Object card,
      Cashapp cashapp,
      Crypto crypto,
      Custom custom,
      String customer,
      CustomerBalance customerBalance,
      Eps eps,
      List<String> expand,
      Map<String, Object> extraParams,
      Fpx fpx,
      Giropay giropay,
      Grabpay grabpay,
      Ideal ideal,
      InteracPresent interacPresent,
      KakaoPay kakaoPay,
      Klarna klarna,
      Konbini konbini,
      KrCard krCard,
      Link link,
      MbWay mbWay,
      Map<String, String> metadata,
      Mobilepay mobilepay,
      Multibanco multibanco,
      NaverPay naverPay,
      NzBankAccount nzBankAccount,
      Oxxo oxxo,
      P24 p24,
      PayByBank payByBank,
      Payco payco,
      String paymentMethod,
      Paynow paynow,
      Paypal paypal,
      Pix pix,
      Promptpay promptpay,
      RadarOptions radarOptions,
      RevolutPay revolutPay,
      SamsungPay samsungPay,
      Satispay satispay,
      SepaDebit sepaDebit,
      Sofort sofort,
      Swish swish,
      Twint twint,
      Type type,
      UsBankAccount usBankAccount,
      WechatPay wechatPay,
      Zip zip) {
    this.acssDebit = acssDebit;
    this.affirm = affirm;
    this.afterpayClearpay = afterpayClearpay;
    this.alipay = alipay;
    this.allowRedisplay = allowRedisplay;
    this.alma = alma;
    this.amazonPay = amazonPay;
    this.auBecsDebit = auBecsDebit;
    this.bacsDebit = bacsDebit;
    this.bancontact = bancontact;
    this.billie = billie;
    this.billingDetails = billingDetails;
    this.blik = blik;
    this.boleto = boleto;
    this.card = card;
    this.cashapp = cashapp;
    this.crypto = crypto;
    this.custom = custom;
    this.customer = customer;
    this.customerBalance = customerBalance;
    this.eps = eps;
    this.expand = expand;
    this.extraParams = extraParams;
    this.fpx = fpx;
    this.giropay = giropay;
    this.grabpay = grabpay;
    this.ideal = ideal;
    this.interacPresent = interacPresent;
    this.kakaoPay = kakaoPay;
    this.klarna = klarna;
    this.konbini = konbini;
    this.krCard = krCard;
    this.link = link;
    this.mbWay = mbWay;
    this.metadata = metadata;
    this.mobilepay = mobilepay;
    this.multibanco = multibanco;
    this.naverPay = naverPay;
    this.nzBankAccount = nzBankAccount;
    this.oxxo = oxxo;
    this.p24 = p24;
    this.payByBank = payByBank;
    this.payco = payco;
    this.paymentMethod = paymentMethod;
    this.paynow = paynow;
    this.paypal = paypal;
    this.pix = pix;
    this.promptpay = promptpay;
    this.radarOptions = radarOptions;
    this.revolutPay = revolutPay;
    this.samsungPay = samsungPay;
    this.satispay = satispay;
    this.sepaDebit = sepaDebit;
    this.sofort = sofort;
    this.swish = swish;
    this.twint = twint;
    this.type = type;
    this.usBankAccount = usBankAccount;
    this.wechatPay = wechatPay;
    this.zip = zip;
  }

  public static Builder builder() {
    return new Builder();
  }

  public static class Builder {
    private AcssDebit acssDebit;

    private Affirm affirm;

    private AfterpayClearpay afterpayClearpay;

    private Alipay alipay;

    private AllowRedisplay allowRedisplay;

    private Alma alma;

    private AmazonPay amazonPay;

    private AuBecsDebit auBecsDebit;

    private BacsDebit bacsDebit;

    private Bancontact bancontact;

    private Billie billie;

    private BillingDetails billingDetails;

    private Blik blik;

    private Boleto boleto;

    private Object card;

    private Cashapp cashapp;

    private Crypto crypto;

    private Custom custom;

    private String customer;

    private CustomerBalance customerBalance;

    private Eps eps;

    private List<String> expand;

    private Map<String, Object> extraParams;

    private Fpx fpx;

    private Giropay giropay;

    private Grabpay grabpay;

    private Ideal ideal;

    private InteracPresent interacPresent;

    private KakaoPay kakaoPay;

    private Klarna klarna;

    private Konbini konbini;

    private KrCard krCard;

    private Link link;

    private MbWay mbWay;

    private Map<String, String> metadata;

    private Mobilepay mobilepay;

    private Multibanco multibanco;

    private NaverPay naverPay;

    private NzBankAccount nzBankAccount;

    private Oxxo oxxo;

    private P24 p24;

    private PayByBank payByBank;

    private Payco payco;

    private String paymentMethod;

    private Paynow paynow;

    private Paypal paypal;

    private Pix pix;

    private Promptpay promptpay;

    private RadarOptions radarOptions;

    private RevolutPay revolutPay;

    private SamsungPay samsungPay;

    private Satispay satispay;

    private SepaDebit sepaDebit;

    private Sofort sofort;

    private Swish swish;

    private Twint twint;

    private Type type;

    private UsBankAccount usBankAccount;

    private WechatPay wechatPay;

    private Zip zip;

    /** Finalize and obtain parameter instance from this builder. */
    public PaymentMethodCreateParams build() {
      return new PaymentMethodCreateParams(
          this.acssDebit,
          this.affirm,
          this.afterpayClearpay,
          this.alipay,
          this.allowRedisplay,
          this.alma,
          this.amazonPay,
          this.auBecsDebit,
          this.bacsDebit,
          this.bancontact,
          this.billie,
          this.billingDetails,
          this.blik,
          this.boleto,
          this.card,
          this.cashapp,
          this.crypto,
          this.custom,
          this.customer,
          this.customerBalance,
          this.eps,
          this.expand,
          this.extraParams,
          this.fpx,
          this.giropay,
          this.grabpay,
          this.ideal,
          this.interacPresent,
          this.kakaoPay,
          this.klarna,
          this.konbini,
          this.krCard,
          this.link,
          this.mbWay,
          this.metadata,
          this.mobilepay,
          this.multibanco,
          this.naverPay,
          this.nzBankAccount,
          this.oxxo,
          this.p24,
          this.payByBank,
          this.payco,
          this.paymentMethod,
          this.paynow,
          this.paypal,
          this.pix,
          this.promptpay,
          this.radarOptions,
          this.revolutPay,
          this.samsungPay,
          this.satispay,
          this.sepaDebit,
          this.sofort,
          this.swish,
          this.twint,
          this.type,
          this.usBankAccount,
          this.wechatPay,
          this.zip);
    }

    /**
     * If this is an {@code acss_debit} PaymentMethod, this hash contains details about the ACSS
     * Debit payment method.
     */
    public Builder setAcssDebit(PaymentMethodCreateParams.AcssDebit acssDebit) {
      this.acssDebit = acssDebit;
      return this;
    }

    /**
     * If this is an {@code affirm} PaymentMethod, this hash contains details about the Affirm
     * payment method.
     */
    public Builder setAffirm(PaymentMethodCreateParams.Affirm affirm) {
      this.affirm = affirm;
      return this;
    }

    /**
     * If this is an {@code AfterpayClearpay} PaymentMethod, this hash contains details about the
     * AfterpayClearpay payment method.
     */
    public Builder setAfterpayClearpay(
        PaymentMethodCreateParams.AfterpayClearpay afterpayClearpay) {
      this.afterpayClearpay = afterpayClearpay;
      return this;
    }

    /**
     * If this is an {@code Alipay} PaymentMethod, this hash contains details about the Alipay
     * payment method.
     */
    public Builder setAlipay(PaymentMethodCreateParams.Alipay alipay) {
      this.alipay = alipay;
      return this;
    }

    /**
     * This field indicates whether this payment method can be shown again to its customer in a
     * checkout flow. Stripe products such as Checkout and Elements use this field to determine
     * whether a payment method can be shown as a saved payment method in a checkout flow. The field
     * defaults to {@code unspecified}.
     */
    public Builder setAllowRedisplay(PaymentMethodCreateParams.AllowRedisplay allowRedisplay) {
      this.allowRedisplay = allowRedisplay;
      return this;
    }

    /**
     * If this is a Alma PaymentMethod, this hash contains details about the Alma payment method.
     */
    public Builder setAlma(PaymentMethodCreateParams.Alma alma) {
      this.alma = alma;
      return this;
    }

    /**
     * If this is a AmazonPay PaymentMethod, this hash contains details about the AmazonPay payment
     * method.
     */
    public Builder setAmazonPay(PaymentMethodCreateParams.AmazonPay amazonPay) {
      this.amazonPay = amazonPay;
      return this;
    }

    /**
     * If this is an {@code au_becs_debit} PaymentMethod, this hash contains details about the bank
     * account.
     */
    public Builder setAuBecsDebit(PaymentMethodCreateParams.AuBecsDebit auBecsDebit) {
      this.auBecsDebit = auBecsDebit;
      return this;
    }

    /**
     * If this is a {@code bacs_debit} PaymentMethod, this hash contains details about the Bacs
     * Direct Debit bank account.
     */
    public Builder setBacsDebit(PaymentMethodCreateParams.BacsDebit bacsDebit) {
      this.bacsDebit = bacsDebit;
      return this;
    }

    /**
     * If this is a {@code bancontact} PaymentMethod, this hash contains details about the
     * Bancontact payment method.
     */
    public Builder setBancontact(PaymentMethodCreateParams.Bancontact bancontact) {
      this.bancontact = bancontact;
      return this;
    }

    /**
     * If this is a {@code billie} PaymentMethod, this hash contains details about the Billie
     * payment method.
     */
    public Builder setBillie(PaymentMethodCreateParams.Billie billie) {
      this.billie = billie;
      return this;
    }

    /**
     * Billing information associated with the PaymentMethod that may be used or required by
     * particular types of payment methods.
     */
    public Builder setBillingDetails(PaymentMethodCreateParams.BillingDetails billingDetails) {
      this.billingDetails = billingDetails;
      return this;
    }

    /**
     * If this is a {@code blik} PaymentMethod, this hash contains details about the BLIK payment
     * method.
     */
    public Builder setBlik(PaymentMethodCreateParams.Blik blik) {
      this.blik = blik;
      return this;
    }

    /**
     * If this is a {@code boleto} PaymentMethod, this hash contains details about the Boleto
     * payment method.
     */
    public Builder setBoleto(PaymentMethodCreateParams.Boleto boleto) {
      this.boleto = boleto;
      return this;
    }

    /**
     * If this is a {@code card} PaymentMethod, this hash contains the user's card details. For
     * backwards compatibility, you can alternatively provide a Stripe token (e.g., for Apple Pay,
     * Amex Express Checkout, or legacy Checkout) into the card hash with format {@code card:
     * {token: "tok_visa"}}. When providing a card number, you must meet the requirements for <a
     * href="https://stripe.com/docs/security#validating-pci-compliance">PCI compliance</a>. We
     * strongly recommend using Stripe.js instead of interacting with this API directly.
     */
    public Builder setCard(PaymentMethodCreateParams.CardDetails card) {
      this.card = card;
      return this;
    }

    /**
     * If this is a {@code card} PaymentMethod, this hash contains the user's card details. For
     * backwards compatibility, you can alternatively provide a Stripe token (e.g., for Apple Pay,
     * Amex Express Checkout, or legacy Checkout) into the card hash with format {@code card:
     * {token: "tok_visa"}}. When providing a card number, you must meet the requirements for <a
     * href="https://stripe.com/docs/security#validating-pci-compliance">PCI compliance</a>. We
     * strongly recommend using Stripe.js instead of interacting with this API directly.
     */
    public Builder setCard(PaymentMethodCreateParams.Token card) {
      this.card = card;
      return this;
    }

    /**
     * If this is a {@code cashapp} PaymentMethod, this hash contains details about the Cash App Pay
     * payment method.
     */
    public Builder setCashapp(PaymentMethodCreateParams.Cashapp cashapp) {
      this.cashapp = cashapp;
      return this;
    }

    /**
     * If this is a Crypto PaymentMethod, this hash contains details about the Crypto payment
     * method.
     */
    public Builder setCrypto(PaymentMethodCreateParams.Crypto crypto) {
      this.crypto = crypto;
      return this;
    }

    /**
     * If this is a {@code custom} PaymentMethod, this hash contains details about the Custom
     * payment method.
     */
    public Builder setCustom(PaymentMethodCreateParams.Custom custom) {
      this.custom = custom;
      return this;
    }

    /** The {@code Customer} to whom the original PaymentMethod is attached. */
    public Builder setCustomer(String customer) {
      this.customer = customer;
      return this;
    }

    /**
     * If this is a {@code customer_balance} PaymentMethod, this hash contains details about the
     * CustomerBalance payment method.
     */
    public Builder setCustomerBalance(PaymentMethodCreateParams.CustomerBalance customerBalance) {
      this.customerBalance = customerBalance;
      return this;
    }

    /**
     * If this is an {@code eps} PaymentMethod, this hash contains details about the EPS payment
     * method.
     */
    public Builder setEps(PaymentMethodCreateParams.Eps eps) {
      this.eps = eps;
      return this;
    }

    /**
     * Add an element to `expand` list. A list is initialized for the first `add/addAll` call, and
     * subsequent calls adds additional elements to the original list. See {@link
     * PaymentMethodCreateParams#expand} for the field documentation.
     */
    public Builder addExpand(String element) {
      if (this.expand == null) {
        this.expand = new ArrayList<>();
      }
      this.expand.add(element);
      return this;
    }

    /**
     * Add all elements to `expand` list. A list is initialized for the first `add/addAll` call, and
     * subsequent calls adds additional elements to the original list. See {@link
     * PaymentMethodCreateParams#expand} for the field documentation.
     */
    public Builder addAllExpand(List<String> elements) {
      if (this.expand == null) {
        this.expand = new ArrayList<>();
      }
      this.expand.addAll(elements);
      return this;
    }

    /**
     * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
     * call, and subsequent calls add additional key/value pairs to the original map. See {@link
     * PaymentMethodCreateParams#extraParams} for the field documentation.
     */
    public Builder putExtraParam(String key, Object value) {
      if (this.extraParams == null) {
        this.extraParams = new HashMap<>();
      }
      this.extraParams.put(key, value);
      return this;
    }

    /**
     * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
     * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
     * See {@link PaymentMethodCreateParams#extraParams} for the field documentation.
     */
    public Builder putAllExtraParam(Map<String, Object> map) {
      if (this.extraParams == null) {
        this.extraParams = new HashMap<>();
      }
      this.extraParams.putAll(map);
      return this;
    }

    /**
     * If this is an {@code fpx} PaymentMethod, this hash contains details about the FPX payment
     * method.
     */
    public Builder setFpx(PaymentMethodCreateParams.Fpx fpx) {
      this.fpx = fpx;
      return this;
    }

    /**
     * If this is a {@code giropay} PaymentMethod, this hash contains details about the Giropay
     * payment method.
     */
    public Builder setGiropay(PaymentMethodCreateParams.Giropay giropay) {
      this.giropay = giropay;
      return this;
    }

    /**
     * If this is a {@code grabpay} PaymentMethod, this hash contains details about the GrabPay
     * payment method.
     */
    public Builder setGrabpay(PaymentMethodCreateParams.Grabpay grabpay) {
      this.grabpay = grabpay;
      return this;
    }

    /**
     * If this is an {@code ideal} PaymentMethod, this hash contains details about the iDEAL payment
     * method.
     */
    public Builder setIdeal(PaymentMethodCreateParams.Ideal ideal) {
      this.ideal = ideal;
      return this;
    }

    /**
     * If this is an {@code interac_present} PaymentMethod, this hash contains details about the
     * Interac Present payment method.
     */
    public Builder setInteracPresent(PaymentMethodCreateParams.InteracPresent interacPresent) {
      this.interacPresent = interacPresent;
      return this;
    }

    /**
     * If this is a {@code kakao_pay} PaymentMethod, this hash contains details about the Kakao Pay
     * payment method.
     */
    public Builder setKakaoPay(PaymentMethodCreateParams.KakaoPay kakaoPay) {
      this.kakaoPay = kakaoPay;
      return this;
    }

    /**
     * If this is a {@code klarna} PaymentMethod, this hash contains details about the Klarna
     * payment method.
     */
    public Builder setKlarna(PaymentMethodCreateParams.Klarna klarna) {
      this.klarna = klarna;
      return this;
    }

    /**
     * If this is a {@code konbini} PaymentMethod, this hash contains details about the Konbini
     * payment method.
     */
    public Builder setKonbini(PaymentMethodCreateParams.Konbini konbini) {
      this.konbini = konbini;
      return this;
    }

    /**
     * If this is a {@code kr_card} PaymentMethod, this hash contains details about the Korean Card
     * payment method.
     */
    public Builder setKrCard(PaymentMethodCreateParams.KrCard krCard) {
      this.krCard = krCard;
      return this;
    }

    /**
     * If this is an {@code Link} PaymentMethod, this hash contains details about the Link payment
     * method.
     */
    public Builder setLink(PaymentMethodCreateParams.Link link) {
      this.link = link;
      return this;
    }

    /**
     * If this is a MB WAY PaymentMethod, this hash contains details about the MB WAY payment
     * method.
     */
    public Builder setMbWay(PaymentMethodCreateParams.MbWay mbWay) {
      this.mbWay = mbWay;
      return this;
    }

    /**
     * Add a key/value pair to `metadata` map. A map is initialized for the first `put/putAll` call,
     * and subsequent calls add additional key/value pairs to the original map. See {@link
     * PaymentMethodCreateParams#metadata} for the field documentation.
     */
    public Builder putMetadata(String key, String value) {
      if (this.metadata == null) {
        this.metadata = new HashMap<>();
      }
      this.metadata.put(key, value);
      return this;
    }

    /**
     * Add all map key/value pairs to `metadata` map. A map is initialized for the first
     * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
     * See {@link PaymentMethodCreateParams#metadata} for the field documentation.
     */
    public Builder putAllMetadata(Map<String, String> map) {
      if (this.metadata == null) {
        this.metadata = new HashMap<>();
      }
      this.metadata.putAll(map);
      return this;
    }

    /**
     * If this is a {@code mobilepay} PaymentMethod, this hash contains details about the MobilePay
     * payment method.
     */
    public Builder setMobilepay(PaymentMethodCreateParams.Mobilepay mobilepay) {
      this.mobilepay = mobilepay;
      return this;
    }

    /**
     * If this is a {@code multibanco} PaymentMethod, this hash contains details about the
     * Multibanco payment method.
     */
    public Builder setMultibanco(PaymentMethodCreateParams.Multibanco multibanco) {
      this.multibanco = multibanco;
      return this;
    }

    /**
     * If this is a {@code naver_pay} PaymentMethod, this hash contains details about the Naver Pay
     * payment method.
     */
    public Builder setNaverPay(PaymentMethodCreateParams.NaverPay naverPay) {
      this.naverPay = naverPay;
      return this;
    }

    /**
     * If this is an nz_bank_account PaymentMethod, this hash contains details about the
     * nz_bank_account payment method.
     */
    public Builder setNzBankAccount(PaymentMethodCreateParams.NzBankAccount nzBankAccount) {
      this.nzBankAccount = nzBankAccount;
      return this;
    }

    /**
     * If this is an {@code oxxo} PaymentMethod, this hash contains details about the OXXO payment
     * method.
     */
    public Builder setOxxo(PaymentMethodCreateParams.Oxxo oxxo) {
      this.oxxo = oxxo;
      return this;
    }

    /**
     * If this is a {@code p24} PaymentMethod, this hash contains details about the P24 payment
     * method.
     */
    public Builder setP24(PaymentMethodCreateParams.P24 p24) {
      this.p24 = p24;
      return this;
    }

    /**
     * If this is a {@code pay_by_bank} PaymentMethod, this hash contains details about the
     * PayByBank payment method.
     */
    public Builder setPayByBank(PaymentMethodCreateParams.PayByBank payByBank) {
      this.payByBank = payByBank;
      return this;
    }

    /**
     * If this is a {@code payco} PaymentMethod, this hash contains details about the PAYCO payment
     * method.
     */
    public Builder setPayco(PaymentMethodCreateParams.Payco payco) {
      this.payco = payco;
      return this;
    }

    /** The PaymentMethod to share. */
    public Builder setPaymentMethod(String paymentMethod) {
      this.paymentMethod = paymentMethod;
      return this;
    }

    /**
     * If this is a {@code paynow} PaymentMethod, this hash contains details about the PayNow
     * payment method.
     */
    public Builder setPaynow(PaymentMethodCreateParams.Paynow paynow) {
      this.paynow = paynow;
      return this;
    }

    /**
     * If this is a {@code paypal} PaymentMethod, this hash contains details about the PayPal
     * payment method.
     */
    public Builder setPaypal(PaymentMethodCreateParams.Paypal paypal) {
      this.paypal = paypal;
      return this;
    }

    /**
     * If this is a {@code pix} PaymentMethod, this hash contains details about the Pix payment
     * method.
     */
    public Builder setPix(PaymentMethodCreateParams.Pix pix) {
      this.pix = pix;
      return this;
    }

    /**
     * If this is a {@code promptpay} PaymentMethod, this hash contains details about the PromptPay
     * payment method.
     */
    public Builder setPromptpay(PaymentMethodCreateParams.Promptpay promptpay) {
      this.promptpay = promptpay;
      return this;
    }

    /**
     * Options to configure Radar. See <a href="https://stripe.com/docs/radar/radar-session">Radar
     * Session</a> for more information.
     */
    public Builder setRadarOptions(PaymentMethodCreateParams.RadarOptions radarOptions) {
      this.radarOptions = radarOptions;
      return this;
    }

    /**
     * If this is a {@code revolut_pay} PaymentMethod, this hash contains details about the Revolut
     * Pay payment method.
     */
    public Builder setRevolutPay(PaymentMethodCreateParams.RevolutPay revolutPay) {
      this.revolutPay = revolutPay;
      return this;
    }

    /**
     * If this is a {@code samsung_pay} PaymentMethod, this hash contains details about the
     * SamsungPay payment method.
     */
    public Builder setSamsungPay(PaymentMethodCreateParams.SamsungPay samsungPay) {
      this.samsungPay = samsungPay;
      return this;
    }

    /**
     * If this is a {@code satispay} PaymentMethod, this hash contains details about the Satispay
     * payment method.
     */
    public Builder setSatispay(PaymentMethodCreateParams.Satispay satispay) {
      this.satispay = satispay;
      return this;
    }

    /**
     * If this is a {@code sepa_debit} PaymentMethod, this hash contains details about the SEPA
     * debit bank account.
     */
    public Builder setSepaDebit(PaymentMethodCreateParams.SepaDebit sepaDebit) {
      this.sepaDebit = sepaDebit;
      return this;
    }

    /**
     * If this is a {@code sofort} PaymentMethod, this hash contains details about the SOFORT
     * payment method.
     */
    public Builder setSofort(PaymentMethodCreateParams.Sofort sofort) {
      this.sofort = sofort;
      return this;
    }

    /**
     * If this is a {@code swish} PaymentMethod, this hash contains details about the Swish payment
     * method.
     */
    public Builder setSwish(PaymentMethodCreateParams.Swish swish) {
      this.swish = swish;
      return this;
    }

    /**
     * If this is a TWINT PaymentMethod, this hash contains details about the TWINT payment method.
     */
    public Builder setTwint(PaymentMethodCreateParams.Twint twint) {
      this.twint = twint;
      return this;
    }

    /**
     * The type of the PaymentMethod. An additional hash is included on the PaymentMethod with a
     * name matching this value. It contains additional information specific to the PaymentMethod
     * type.
     */
    public Builder setType(PaymentMethodCreateParams.Type type) {
      this.type = type;
      return this;
    }

    /**
     * If this is an {@code us_bank_account} PaymentMethod, this hash contains details about the US
     * bank account payment method.
     */
    public Builder setUsBankAccount(PaymentMethodCreateParams.UsBankAccount usBankAccount) {
      this.usBankAccount = usBankAccount;
      return this;
    }

    /**
     * If this is an {@code wechat_pay} PaymentMethod, this hash contains details about the
     * wechat_pay payment method.
     */
    public Builder setWechatPay(PaymentMethodCreateParams.WechatPay wechatPay) {
      this.wechatPay = wechatPay;
      return this;
    }

    /**
     * If this is a {@code zip} PaymentMethod, this hash contains details about the Zip payment
     * method.
     */
    public Builder setZip(PaymentMethodCreateParams.Zip zip) {
      this.zip = zip;
      return this;
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class AcssDebit {
    /** <strong>Required.</strong> Customer's bank account number. */
    @SerializedName("account_number")
    String accountNumber;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /** <strong>Required.</strong> Institution number of the customer's bank. */
    @SerializedName("institution_number")
    String institutionNumber;

    /** <strong>Required.</strong> Transit number of the customer's bank. */
    @SerializedName("transit_number")
    String transitNumber;

    private AcssDebit(
        String accountNumber,
        Map<String, Object> extraParams,
        String institutionNumber,
        String transitNumber) {
      this.accountNumber = accountNumber;
      this.extraParams = extraParams;
      this.institutionNumber = institutionNumber;
      this.transitNumber = transitNumber;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private String accountNumber;

      private Map<String, Object> extraParams;

      private String institutionNumber;

      private String transitNumber;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.AcssDebit build() {
        return new PaymentMethodCreateParams.AcssDebit(
            this.accountNumber, this.extraParams, this.institutionNumber, this.transitNumber);
      }

      /** <strong>Required.</strong> Customer's bank account number. */
      public Builder setAccountNumber(String accountNumber) {
        this.accountNumber = accountNumber;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.AcssDebit#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.AcssDebit#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /** <strong>Required.</strong> Institution number of the customer's bank. */
      public Builder setInstitutionNumber(String institutionNumber) {
        this.institutionNumber = institutionNumber;
        return this;
      }

      /** <strong>Required.</strong> Transit number of the customer's bank. */
      public Builder setTransitNumber(String transitNumber) {
        this.transitNumber = transitNumber;
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Affirm {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Affirm(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Affirm build() {
        return new PaymentMethodCreateParams.Affirm(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Affirm#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Affirm#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class AfterpayClearpay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private AfterpayClearpay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.AfterpayClearpay build() {
        return new PaymentMethodCreateParams.AfterpayClearpay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.AfterpayClearpay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.AfterpayClearpay#extraParams} for the field
       * documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Alipay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Alipay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Alipay build() {
        return new PaymentMethodCreateParams.Alipay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Alipay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Alipay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Alma {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Alma(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Alma build() {
        return new PaymentMethodCreateParams.Alma(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Alma#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Alma#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class AmazonPay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private AmazonPay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.AmazonPay build() {
        return new PaymentMethodCreateParams.AmazonPay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.AmazonPay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.AmazonPay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class AuBecsDebit {
    /** <strong>Required.</strong> The account number for the bank account. */
    @SerializedName("account_number")
    String accountNumber;

    /** <strong>Required.</strong> Bank-State-Branch number of the bank account. */
    @SerializedName("bsb_number")
    String bsbNumber;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private AuBecsDebit(String accountNumber, String bsbNumber, Map<String, Object> extraParams) {
      this.accountNumber = accountNumber;
      this.bsbNumber = bsbNumber;
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private String accountNumber;

      private String bsbNumber;

      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.AuBecsDebit build() {
        return new PaymentMethodCreateParams.AuBecsDebit(
            this.accountNumber, this.bsbNumber, this.extraParams);
      }

      /** <strong>Required.</strong> The account number for the bank account. */
      public Builder setAccountNumber(String accountNumber) {
        this.accountNumber = accountNumber;
        return this;
      }

      /** <strong>Required.</strong> Bank-State-Branch number of the bank account. */
      public Builder setBsbNumber(String bsbNumber) {
        this.bsbNumber = bsbNumber;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.AuBecsDebit#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.AuBecsDebit#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class BacsDebit {
    /** Account number of the bank account that the funds will be debited from. */
    @SerializedName("account_number")
    String accountNumber;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /** Sort code of the bank account. (e.g., {@code 10-20-30}) */
    @SerializedName("sort_code")
    String sortCode;

    private BacsDebit(String accountNumber, Map<String, Object> extraParams, String sortCode) {
      this.accountNumber = accountNumber;
      this.extraParams = extraParams;
      this.sortCode = sortCode;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private String accountNumber;

      private Map<String, Object> extraParams;

      private String sortCode;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.BacsDebit build() {
        return new PaymentMethodCreateParams.BacsDebit(
            this.accountNumber, this.extraParams, this.sortCode);
      }

      /** Account number of the bank account that the funds will be debited from. */
      public Builder setAccountNumber(String accountNumber) {
        this.accountNumber = accountNumber;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.BacsDebit#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.BacsDebit#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /** Sort code of the bank account. (e.g., {@code 10-20-30}) */
      public Builder setSortCode(String sortCode) {
        this.sortCode = sortCode;
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Bancontact {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Bancontact(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Bancontact build() {
        return new PaymentMethodCreateParams.Bancontact(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Bancontact#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Bancontact#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Billie {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Billie(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Billie build() {
        return new PaymentMethodCreateParams.Billie(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Billie#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Billie#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class BillingDetails {
    /** Billing address. */
    @SerializedName("address")
    Object address;

    /** Email address. */
    @SerializedName("email")
    Object email;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /** Full name. */
    @SerializedName("name")
    Object name;

    /** Billing phone number (including extension). */
    @SerializedName("phone")
    Object phone;

    /**
     * Taxpayer identification number. Used only for transactions between LATAM buyers and non-LATAM
     * sellers.
     */
    @SerializedName("tax_id")
    String taxId;

    private BillingDetails(
        Object address,
        Object email,
        Map<String, Object> extraParams,
        Object name,
        Object phone,
        String taxId) {
      this.address = address;
      this.email = email;
      this.extraParams = extraParams;
      this.name = name;
      this.phone = phone;
      this.taxId = taxId;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Object address;

      private Object email;

      private Map<String, Object> extraParams;

      private Object name;

      private Object phone;

      private String taxId;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.BillingDetails build() {
        return new PaymentMethodCreateParams.BillingDetails(
            this.address, this.email, this.extraParams, this.name, this.phone, this.taxId);
      }

      /** Billing address. */
      public Builder setAddress(PaymentMethodCreateParams.BillingDetails.Address address) {
        this.address = address;
        return this;
      }

      /** Billing address. */
      public Builder setAddress(EmptyParam address) {
        this.address = address;
        return this;
      }

      /** Email address. */
      public Builder setEmail(String email) {
        this.email = email;
        return this;
      }

      /** Email address. */
      public Builder setEmail(EmptyParam email) {
        this.email = email;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.BillingDetails#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.BillingDetails#extraParams} for the field
       * documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /** Full name. */
      public Builder setName(String name) {
        this.name = name;
        return this;
      }

      /** Full name. */
      public Builder setName(EmptyParam name) {
        this.name = name;
        return this;
      }

      /** Billing phone number (including extension). */
      public Builder setPhone(String phone) {
        this.phone = phone;
        return this;
      }

      /** Billing phone number (including extension). */
      public Builder setPhone(EmptyParam phone) {
        this.phone = phone;
        return this;
      }

      /**
       * Taxpayer identification number. Used only for transactions between LATAM buyers and
       * non-LATAM sellers.
       */
      public Builder setTaxId(String taxId) {
        this.taxId = taxId;
        return this;
      }
    }

    @Getter
    @EqualsAndHashCode(callSuper = false)
    public static class Address {
      /** City, district, suburb, town, or village. */
      @SerializedName("city")
      String city;

      /**
       * Two-letter country code (<a href="https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2">ISO
       * 3166-1 alpha-2</a>).
       */
      @SerializedName("country")
      String country;

      /**
       * Map of extra parameters for custom features not available in this client library. The
       * content in this map is not serialized under this field's {@code @SerializedName} value.
       * Instead, each key/value pair is serialized as if the key is a root-level field (serialized)
       * name in this param object. Effectively, this map is flattened to its parent instance.
       */
      @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
      Map<String, Object> extraParams;

      /** Address line 1, such as the street, PO Box, or company name. */
      @SerializedName("line1")
      String line1;

      /** Address line 2, such as the apartment, suite, unit, or building. */
      @SerializedName("line2")
      String line2;

      /** ZIP or postal code. */
      @SerializedName("postal_code")
      String postalCode;

      /** State, county, province, or region. */
      @SerializedName("state")
      String state;

      private Address(
          String city,
          String country,
          Map<String, Object> extraParams,
          String line1,
          String line2,
          String postalCode,
          String state) {
        this.city = city;
        this.country = country;
        this.extraParams = extraParams;
        this.line1 = line1;
        this.line2 = line2;
        this.postalCode = postalCode;
        this.state = state;
      }

      public static Builder builder() {
        return new Builder();
      }

      public static class Builder {
        private String city;

        private String country;

        private Map<String, Object> extraParams;

        private String line1;

        private String line2;

        private String postalCode;

        private String state;

        /** Finalize and obtain parameter instance from this builder. */
        public PaymentMethodCreateParams.BillingDetails.Address build() {
          return new PaymentMethodCreateParams.BillingDetails.Address(
              this.city,
              this.country,
              this.extraParams,
              this.line1,
              this.line2,
              this.postalCode,
              this.state);
        }

        /** City, district, suburb, town, or village. */
        public Builder setCity(String city) {
          this.city = city;
          return this;
        }

        /**
         * Two-letter country code (<a href="https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2">ISO
         * 3166-1 alpha-2</a>).
         */
        public Builder setCountry(String country) {
          this.country = country;
          return this;
        }

        /**
         * Add a key/value pair to `extraParams` map. A map is initialized for the first
         * `put/putAll` call, and subsequent calls add additional key/value pairs to the original
         * map. See {@link PaymentMethodCreateParams.BillingDetails.Address#extraParams} for the
         * field documentation.
         */
        public Builder putExtraParam(String key, Object value) {
          if (this.extraParams == null) {
            this.extraParams = new HashMap<>();
          }
          this.extraParams.put(key, value);
          return this;
        }

        /**
         * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
         * `put/putAll` call, and subsequent calls add additional key/value pairs to the original
         * map. See {@link PaymentMethodCreateParams.BillingDetails.Address#extraParams} for the
         * field documentation.
         */
        public Builder putAllExtraParam(Map<String, Object> map) {
          if (this.extraParams == null) {
            this.extraParams = new HashMap<>();
          }
          this.extraParams.putAll(map);
          return this;
        }

        /** Address line 1, such as the street, PO Box, or company name. */
        public Builder setLine1(String line1) {
          this.line1 = line1;
          return this;
        }

        /** Address line 2, such as the apartment, suite, unit, or building. */
        public Builder setLine2(String line2) {
          this.line2 = line2;
          return this;
        }

        /** ZIP or postal code. */
        public Builder setPostalCode(String postalCode) {
          this.postalCode = postalCode;
          return this;
        }

        /** State, county, province, or region. */
        public Builder setState(String state) {
          this.state = state;
          return this;
        }
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Blik {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Blik(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Blik build() {
        return new PaymentMethodCreateParams.Blik(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Blik#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Blik#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Boleto {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /**
     * <strong>Required.</strong> The tax ID of the customer (CPF for individual consumers or CNPJ
     * for businesses consumers)
     */
    @SerializedName("tax_id")
    String taxId;

    private Boleto(Map<String, Object> extraParams, String taxId) {
      this.extraParams = extraParams;
      this.taxId = taxId;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      private String taxId;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Boleto build() {
        return new PaymentMethodCreateParams.Boleto(this.extraParams, this.taxId);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Boleto#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Boleto#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /**
       * <strong>Required.</strong> The tax ID of the customer (CPF for individual consumers or CNPJ
       * for businesses consumers)
       */
      public Builder setTaxId(String taxId) {
        this.taxId = taxId;
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class CardDetails {
    /** The card's CVC. It is highly recommended to always include this value. */
    @SerializedName("cvc")
    String cvc;

    /** Two-digit number representing the card's expiration month. */
    @SerializedName("exp_month")
    Long expMonth;

    /** Four-digit number representing the card's expiration year. */
    @SerializedName("exp_year")
    Long expYear;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /** Contains information about card networks used to process the payment. */
    @SerializedName("networks")
    Networks networks;

    /** The card number, as a string without any separators. */
    @SerializedName("number")
    String number;

    private CardDetails(
        String cvc,
        Long expMonth,
        Long expYear,
        Map<String, Object> extraParams,
        Networks networks,
        String number) {
      this.cvc = cvc;
      this.expMonth = expMonth;
      this.expYear = expYear;
      this.extraParams = extraParams;
      this.networks = networks;
      this.number = number;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private String cvc;

      private Long expMonth;

      private Long expYear;

      private Map<String, Object> extraParams;

      private Networks networks;

      private String number;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.CardDetails build() {
        return new PaymentMethodCreateParams.CardDetails(
            this.cvc, this.expMonth, this.expYear, this.extraParams, this.networks, this.number);
      }

      /** The card's CVC. It is highly recommended to always include this value. */
      public Builder setCvc(String cvc) {
        this.cvc = cvc;
        return this;
      }

      /** Two-digit number representing the card's expiration month. */
      public Builder setExpMonth(Long expMonth) {
        this.expMonth = expMonth;
        return this;
      }

      /** Four-digit number representing the card's expiration year. */
      public Builder setExpYear(Long expYear) {
        this.expYear = expYear;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.CardDetails#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.CardDetails#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /** Contains information about card networks used to process the payment. */
      public Builder setNetworks(PaymentMethodCreateParams.CardDetails.Networks networks) {
        this.networks = networks;
        return this;
      }

      /** The card number, as a string without any separators. */
      public Builder setNumber(String number) {
        this.number = number;
        return this;
      }
    }

    @Getter
    @EqualsAndHashCode(callSuper = false)
    public static class Networks {
      /**
       * Map of extra parameters for custom features not available in this client library. The
       * content in this map is not serialized under this field's {@code @SerializedName} value.
       * Instead, each key/value pair is serialized as if the key is a root-level field (serialized)
       * name in this param object. Effectively, this map is flattened to its parent instance.
       */
      @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
      Map<String, Object> extraParams;

      /**
       * The customer's preferred card network for co-branded cards. Supports {@code
       * cartes_bancaires}, {@code mastercard}, or {@code visa}. Selection of a network that does
       * not apply to the card will be stored as {@code invalid_preference} on the card.
       */
      @SerializedName("preferred")
      Preferred preferred;

      private Networks(Map<String, Object> extraParams, Preferred preferred) {
        this.extraParams = extraParams;
        this.preferred = preferred;
      }

      public static Builder builder() {
        return new Builder();
      }

      public static class Builder {
        private Map<String, Object> extraParams;

        private Preferred preferred;

        /** Finalize and obtain parameter instance from this builder. */
        public PaymentMethodCreateParams.CardDetails.Networks build() {
          return new PaymentMethodCreateParams.CardDetails.Networks(
              this.extraParams, this.preferred);
        }

        /**
         * Add a key/value pair to `extraParams` map. A map is initialized for the first
         * `put/putAll` call, and subsequent calls add additional key/value pairs to the original
         * map. See {@link PaymentMethodCreateParams.CardDetails.Networks#extraParams} for the field
         * documentation.
         */
        public Builder putExtraParam(String key, Object value) {
          if (this.extraParams == null) {
            this.extraParams = new HashMap<>();
          }
          this.extraParams.put(key, value);
          return this;
        }

        /**
         * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
         * `put/putAll` call, and subsequent calls add additional key/value pairs to the original
         * map. See {@link PaymentMethodCreateParams.CardDetails.Networks#extraParams} for the field
         * documentation.
         */
        public Builder putAllExtraParam(Map<String, Object> map) {
          if (this.extraParams == null) {
            this.extraParams = new HashMap<>();
          }
          this.extraParams.putAll(map);
          return this;
        }

        /**
         * The customer's preferred card network for co-branded cards. Supports {@code
         * cartes_bancaires}, {@code mastercard}, or {@code visa}. Selection of a network that does
         * not apply to the card will be stored as {@code invalid_preference} on the card.
         */
        public Builder setPreferred(
            PaymentMethodCreateParams.CardDetails.Networks.Preferred preferred) {
          this.preferred = preferred;
          return this;
        }
      }

      public enum Preferred implements ApiRequestParams.EnumParam {
        @SerializedName("cartes_bancaires")
        CARTES_BANCAIRES("cartes_bancaires"),

        @SerializedName("mastercard")
        MASTERCARD("mastercard"),

        @SerializedName("visa")
        VISA("visa");

        @Getter(onMethod_ = {@Override})
        private final String value;

        Preferred(String value) {
          this.value = value;
        }
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Cashapp {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Cashapp(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Cashapp build() {
        return new PaymentMethodCreateParams.Cashapp(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Cashapp#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Cashapp#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Crypto {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Crypto(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Crypto build() {
        return new PaymentMethodCreateParams.Crypto(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Crypto#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Crypto#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Custom {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /**
     * <strong>Required.</strong> ID of the Dashboard-only CustomPaymentMethodType. This field is
     * used by Stripe products' internal code to support CPMs.
     */
    @SerializedName("type")
    String type;

    private Custom(Map<String, Object> extraParams, String type) {
      this.extraParams = extraParams;
      this.type = type;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      private String type;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Custom build() {
        return new PaymentMethodCreateParams.Custom(this.extraParams, this.type);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Custom#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Custom#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /**
       * <strong>Required.</strong> ID of the Dashboard-only CustomPaymentMethodType. This field is
       * used by Stripe products' internal code to support CPMs.
       */
      public Builder setType(String type) {
        this.type = type;
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class CustomerBalance {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private CustomerBalance(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.CustomerBalance build() {
        return new PaymentMethodCreateParams.CustomerBalance(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.CustomerBalance#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.CustomerBalance#extraParams} for the field
       * documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Eps {
    /** The customer's bank. */
    @SerializedName("bank")
    Bank bank;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Eps(Bank bank, Map<String, Object> extraParams) {
      this.bank = bank;
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Bank bank;

      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Eps build() {
        return new PaymentMethodCreateParams.Eps(this.bank, this.extraParams);
      }

      /** The customer's bank. */
      public Builder setBank(PaymentMethodCreateParams.Eps.Bank bank) {
        this.bank = bank;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Eps#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Eps#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }

    public enum Bank implements ApiRequestParams.EnumParam {
      @SerializedName("arzte_und_apotheker_bank")
      ARZTE_UND_APOTHEKER_BANK("arzte_und_apotheker_bank"),

      @SerializedName("austrian_anadi_bank_ag")
      AUSTRIAN_ANADI_BANK_AG("austrian_anadi_bank_ag"),

      @SerializedName("bank_austria")
      BANK_AUSTRIA("bank_austria"),

      @SerializedName("bankhaus_carl_spangler")
      BANKHAUS_CARL_SPANGLER("bankhaus_carl_spangler"),

      @SerializedName("bankhaus_schelhammer_und_schattera_ag")
      BANKHAUS_SCHELHAMMER_UND_SCHATTERA_AG("bankhaus_schelhammer_und_schattera_ag"),

      @SerializedName("bawag_psk_ag")
      BAWAG_PSK_AG("bawag_psk_ag"),

      @SerializedName("bks_bank_ag")
      BKS_BANK_AG("bks_bank_ag"),

      @SerializedName("brull_kallmus_bank_ag")
      BRULL_KALLMUS_BANK_AG("brull_kallmus_bank_ag"),

      @SerializedName("btv_vier_lander_bank")
      BTV_VIER_LANDER_BANK("btv_vier_lander_bank"),

      @SerializedName("capital_bank_grawe_gruppe_ag")
      CAPITAL_BANK_GRAWE_GRUPPE_AG("capital_bank_grawe_gruppe_ag"),

      @SerializedName("deutsche_bank_ag")
      DEUTSCHE_BANK_AG("deutsche_bank_ag"),

      @SerializedName("dolomitenbank")
      DOLOMITENBANK("dolomitenbank"),

      @SerializedName("easybank_ag")
      EASYBANK_AG("easybank_ag"),

      @SerializedName("erste_bank_und_sparkassen")
      ERSTE_BANK_UND_SPARKASSEN("erste_bank_und_sparkassen"),

      @SerializedName("hypo_alpeadriabank_international_ag")
      HYPO_ALPEADRIABANK_INTERNATIONAL_AG("hypo_alpeadriabank_international_ag"),

      @SerializedName("hypo_bank_burgenland_aktiengesellschaft")
      HYPO_BANK_BURGENLAND_AKTIENGESELLSCHAFT("hypo_bank_burgenland_aktiengesellschaft"),

      @SerializedName("hypo_noe_lb_fur_niederosterreich_u_wien")
      HYPO_NOE_LB_FUR_NIEDEROSTERREICH_U_WIEN("hypo_noe_lb_fur_niederosterreich_u_wien"),

      @SerializedName("hypo_oberosterreich_salzburg_steiermark")
      HYPO_OBEROSTERREICH_SALZBURG_STEIERMARK("hypo_oberosterreich_salzburg_steiermark"),

      @SerializedName("hypo_tirol_bank_ag")
      HYPO_TIROL_BANK_AG("hypo_tirol_bank_ag"),

      @SerializedName("hypo_vorarlberg_bank_ag")
      HYPO_VORARLBERG_BANK_AG("hypo_vorarlberg_bank_ag"),

      @SerializedName("marchfelder_bank")
      MARCHFELDER_BANK("marchfelder_bank"),

      @SerializedName("oberbank_ag")
      OBERBANK_AG("oberbank_ag"),

      @SerializedName("raiffeisen_bankengruppe_osterreich")
      RAIFFEISEN_BANKENGRUPPE_OSTERREICH("raiffeisen_bankengruppe_osterreich"),

      @SerializedName("schoellerbank_ag")
      SCHOELLERBANK_AG("schoellerbank_ag"),

      @SerializedName("sparda_bank_wien")
      SPARDA_BANK_WIEN("sparda_bank_wien"),

      @SerializedName("volksbank_gruppe")
      VOLKSBANK_GRUPPE("volksbank_gruppe"),

      @SerializedName("volkskreditbank_ag")
      VOLKSKREDITBANK_AG("volkskreditbank_ag"),

      @SerializedName("vr_bank_braunau")
      VR_BANK_BRAUNAU("vr_bank_braunau");

      @Getter(onMethod_ = {@Override})
      private final String value;

      Bank(String value) {
        this.value = value;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Fpx {
    /** Account holder type for FPX transaction. */
    @SerializedName("account_holder_type")
    AccountHolderType accountHolderType;

    /** <strong>Required.</strong> The customer's bank. */
    @SerializedName("bank")
    Bank bank;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Fpx(AccountHolderType accountHolderType, Bank bank, Map<String, Object> extraParams) {
      this.accountHolderType = accountHolderType;
      this.bank = bank;
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private AccountHolderType accountHolderType;

      private Bank bank;

      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Fpx build() {
        return new PaymentMethodCreateParams.Fpx(
            this.accountHolderType, this.bank, this.extraParams);
      }

      /** Account holder type for FPX transaction. */
      public Builder setAccountHolderType(
          PaymentMethodCreateParams.Fpx.AccountHolderType accountHolderType) {
        this.accountHolderType = accountHolderType;
        return this;
      }

      /** <strong>Required.</strong> The customer's bank. */
      public Builder setBank(PaymentMethodCreateParams.Fpx.Bank bank) {
        this.bank = bank;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Fpx#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Fpx#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }

    public enum AccountHolderType implements ApiRequestParams.EnumParam {
      @SerializedName("company")
      COMPANY("company"),

      @SerializedName("individual")
      INDIVIDUAL("individual");

      @Getter(onMethod_ = {@Override})
      private final String value;

      AccountHolderType(String value) {
        this.value = value;
      }
    }

    public enum Bank implements ApiRequestParams.EnumParam {
      @SerializedName("affin_bank")
      AFFIN_BANK("affin_bank"),

      @SerializedName("agrobank")
      AGROBANK("agrobank"),

      @SerializedName("alliance_bank")
      ALLIANCE_BANK("alliance_bank"),

      @SerializedName("ambank")
      AMBANK("ambank"),

      @SerializedName("bank_islam")
      BANK_ISLAM("bank_islam"),

      @SerializedName("bank_muamalat")
      BANK_MUAMALAT("bank_muamalat"),

      @SerializedName("bank_of_china")
      BANK_OF_CHINA("bank_of_china"),

      @SerializedName("bank_rakyat")
      BANK_RAKYAT("bank_rakyat"),

      @SerializedName("bsn")
      BSN("bsn"),

      @SerializedName("cimb")
      CIMB("cimb"),

      @SerializedName("deutsche_bank")
      DEUTSCHE_BANK("deutsche_bank"),

      @SerializedName("hong_leong_bank")
      HONG_LEONG_BANK("hong_leong_bank"),

      @SerializedName("hsbc")
      HSBC("hsbc"),

      @SerializedName("kfh")
      KFH("kfh"),

      @SerializedName("maybank2e")
      MAYBANK2E("maybank2e"),

      @SerializedName("maybank2u")
      MAYBANK2U("maybank2u"),

      @SerializedName("ocbc")
      OCBC("ocbc"),

      @SerializedName("pb_enterprise")
      PB_ENTERPRISE("pb_enterprise"),

      @SerializedName("public_bank")
      PUBLIC_BANK("public_bank"),

      @SerializedName("rhb")
      RHB("rhb"),

      @SerializedName("standard_chartered")
      STANDARD_CHARTERED("standard_chartered"),

      @SerializedName("uob")
      UOB("uob");

      @Getter(onMethod_ = {@Override})
      private final String value;

      Bank(String value) {
        this.value = value;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Giropay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Giropay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Giropay build() {
        return new PaymentMethodCreateParams.Giropay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Giropay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Giropay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Grabpay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Grabpay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Grabpay build() {
        return new PaymentMethodCreateParams.Grabpay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Grabpay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Grabpay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Ideal {
    /**
     * The customer's bank. Only use this parameter for existing customers. Don't use it for new
     * customers.
     */
    @SerializedName("bank")
    Bank bank;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Ideal(Bank bank, Map<String, Object> extraParams) {
      this.bank = bank;
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Bank bank;

      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Ideal build() {
        return new PaymentMethodCreateParams.Ideal(this.bank, this.extraParams);
      }

      /**
       * The customer's bank. Only use this parameter for existing customers. Don't use it for new
       * customers.
       */
      public Builder setBank(PaymentMethodCreateParams.Ideal.Bank bank) {
        this.bank = bank;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Ideal#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Ideal#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }

    public enum Bank implements ApiRequestParams.EnumParam {
      @SerializedName("abn_amro")
      ABN_AMRO("abn_amro"),

      @SerializedName("asn_bank")
      ASN_BANK("asn_bank"),

      @SerializedName("bunq")
      BUNQ("bunq"),

      @SerializedName("buut")
      BUUT("buut"),

      @SerializedName("finom")
      FINOM("finom"),

      @SerializedName("handelsbanken")
      HANDELSBANKEN("handelsbanken"),

      @SerializedName("ing")
      ING("ing"),

      @SerializedName("knab")
      KNAB("knab"),

      @SerializedName("moneyou")
      MONEYOU("moneyou"),

      @SerializedName("n26")
      N26("n26"),

      @SerializedName("nn")
      NN("nn"),

      @SerializedName("rabobank")
      RABOBANK("rabobank"),

      @SerializedName("regiobank")
      REGIOBANK("regiobank"),

      @SerializedName("revolut")
      REVOLUT("revolut"),

      @SerializedName("sns_bank")
      SNS_BANK("sns_bank"),

      @SerializedName("triodos_bank")
      TRIODOS_BANK("triodos_bank"),

      @SerializedName("van_lanschot")
      VAN_LANSCHOT("van_lanschot"),

      @SerializedName("yoursafe")
      YOURSAFE("yoursafe");

      @Getter(onMethod_ = {@Override})
      private final String value;

      Bank(String value) {
        this.value = value;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class InteracPresent {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private InteracPresent(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.InteracPresent build() {
        return new PaymentMethodCreateParams.InteracPresent(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.InteracPresent#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.InteracPresent#extraParams} for the field
       * documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class KakaoPay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private KakaoPay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.KakaoPay build() {
        return new PaymentMethodCreateParams.KakaoPay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.KakaoPay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.KakaoPay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Klarna {
    /** Customer's date of birth. */
    @SerializedName("dob")
    Dob dob;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Klarna(Dob dob, Map<String, Object> extraParams) {
      this.dob = dob;
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Dob dob;

      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Klarna build() {
        return new PaymentMethodCreateParams.Klarna(this.dob, this.extraParams);
      }

      /** Customer's date of birth. */
      public Builder setDob(PaymentMethodCreateParams.Klarna.Dob dob) {
        this.dob = dob;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Klarna#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Klarna#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }

    @Getter
    @EqualsAndHashCode(callSuper = false)
    public static class Dob {
      /** <strong>Required.</strong> The day of birth, between 1 and 31. */
      @SerializedName("day")
      Long day;

      /**
       * Map of extra parameters for custom features not available in this client library. The
       * content in this map is not serialized under this field's {@code @SerializedName} value.
       * Instead, each key/value pair is serialized as if the key is a root-level field (serialized)
       * name in this param object. Effectively, this map is flattened to its parent instance.
       */
      @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
      Map<String, Object> extraParams;

      /** <strong>Required.</strong> The month of birth, between 1 and 12. */
      @SerializedName("month")
      Long month;

      /** <strong>Required.</strong> The four-digit year of birth. */
      @SerializedName("year")
      Long year;

      private Dob(Long day, Map<String, Object> extraParams, Long month, Long year) {
        this.day = day;
        this.extraParams = extraParams;
        this.month = month;
        this.year = year;
      }

      public static Builder builder() {
        return new Builder();
      }

      public static class Builder {
        private Long day;

        private Map<String, Object> extraParams;

        private Long month;

        private Long year;

        /** Finalize and obtain parameter instance from this builder. */
        public PaymentMethodCreateParams.Klarna.Dob build() {
          return new PaymentMethodCreateParams.Klarna.Dob(
              this.day, this.extraParams, this.month, this.year);
        }

        /** <strong>Required.</strong> The day of birth, between 1 and 31. */
        public Builder setDay(Long day) {
          this.day = day;
          return this;
        }

        /**
         * Add a key/value pair to `extraParams` map. A map is initialized for the first
         * `put/putAll` call, and subsequent calls add additional key/value pairs to the original
         * map. See {@link PaymentMethodCreateParams.Klarna.Dob#extraParams} for the field
         * documentation.
         */
        public Builder putExtraParam(String key, Object value) {
          if (this.extraParams == null) {
            this.extraParams = new HashMap<>();
          }
          this.extraParams.put(key, value);
          return this;
        }

        /**
         * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
         * `put/putAll` call, and subsequent calls add additional key/value pairs to the original
         * map. See {@link PaymentMethodCreateParams.Klarna.Dob#extraParams} for the field
         * documentation.
         */
        public Builder putAllExtraParam(Map<String, Object> map) {
          if (this.extraParams == null) {
            this.extraParams = new HashMap<>();
          }
          this.extraParams.putAll(map);
          return this;
        }

        /** <strong>Required.</strong> The month of birth, between 1 and 12. */
        public Builder setMonth(Long month) {
          this.month = month;
          return this;
        }

        /** <strong>Required.</strong> The four-digit year of birth. */
        public Builder setYear(Long year) {
          this.year = year;
          return this;
        }
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Konbini {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Konbini(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Konbini build() {
        return new PaymentMethodCreateParams.Konbini(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Konbini#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Konbini#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class KrCard {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private KrCard(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.KrCard build() {
        return new PaymentMethodCreateParams.KrCard(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.KrCard#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.KrCard#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Link {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Link(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Link build() {
        return new PaymentMethodCreateParams.Link(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Link#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Link#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class MbWay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private MbWay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.MbWay build() {
        return new PaymentMethodCreateParams.MbWay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.MbWay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.MbWay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Mobilepay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Mobilepay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Mobilepay build() {
        return new PaymentMethodCreateParams.Mobilepay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Mobilepay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Mobilepay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Multibanco {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Multibanco(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Multibanco build() {
        return new PaymentMethodCreateParams.Multibanco(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Multibanco#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Multibanco#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class NaverPay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /**
     * Whether to use Naver Pay points or a card to fund this transaction. If not provided, this
     * defaults to {@code card}.
     */
    @SerializedName("funding")
    Funding funding;

    private NaverPay(Map<String, Object> extraParams, Funding funding) {
      this.extraParams = extraParams;
      this.funding = funding;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      private Funding funding;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.NaverPay build() {
        return new PaymentMethodCreateParams.NaverPay(this.extraParams, this.funding);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.NaverPay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.NaverPay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /**
       * Whether to use Naver Pay points or a card to fund this transaction. If not provided, this
       * defaults to {@code card}.
       */
      public Builder setFunding(PaymentMethodCreateParams.NaverPay.Funding funding) {
        this.funding = funding;
        return this;
      }
    }

    public enum Funding implements ApiRequestParams.EnumParam {
      @SerializedName("card")
      CARD("card"),

      @SerializedName("points")
      POINTS("points");

      @Getter(onMethod_ = {@Override})
      private final String value;

      Funding(String value) {
        this.value = value;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class NzBankAccount {
    /**
     * The name on the bank account. Only required if the account holder name is different from the
     * name of the authorized signatory collected in the PaymentMethod’s billing details.
     */
    @SerializedName("account_holder_name")
    String accountHolderName;

    /** <strong>Required.</strong> The account number for the bank account. */
    @SerializedName("account_number")
    String accountNumber;

    /** <strong>Required.</strong> The numeric code for the bank account's bank. */
    @SerializedName("bank_code")
    String bankCode;

    /** <strong>Required.</strong> The numeric code for the bank account's bank branch. */
    @SerializedName("branch_code")
    String branchCode;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    @SerializedName("reference")
    String reference;

    /** <strong>Required.</strong> The suffix of the bank account number. */
    @SerializedName("suffix")
    String suffix;

    private NzBankAccount(
        String accountHolderName,
        String accountNumber,
        String bankCode,
        String branchCode,
        Map<String, Object> extraParams,
        String reference,
        String suffix) {
      this.accountHolderName = accountHolderName;
      this.accountNumber = accountNumber;
      this.bankCode = bankCode;
      this.branchCode = branchCode;
      this.extraParams = extraParams;
      this.reference = reference;
      this.suffix = suffix;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private String accountHolderName;

      private String accountNumber;

      private String bankCode;

      private String branchCode;

      private Map<String, Object> extraParams;

      private String reference;

      private String suffix;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.NzBankAccount build() {
        return new PaymentMethodCreateParams.NzBankAccount(
            this.accountHolderName,
            this.accountNumber,
            this.bankCode,
            this.branchCode,
            this.extraParams,
            this.reference,
            this.suffix);
      }

      /**
       * The name on the bank account. Only required if the account holder name is different from
       * the name of the authorized signatory collected in the PaymentMethod’s billing details.
       */
      public Builder setAccountHolderName(String accountHolderName) {
        this.accountHolderName = accountHolderName;
        return this;
      }

      /** <strong>Required.</strong> The account number for the bank account. */
      public Builder setAccountNumber(String accountNumber) {
        this.accountNumber = accountNumber;
        return this;
      }

      /** <strong>Required.</strong> The numeric code for the bank account's bank. */
      public Builder setBankCode(String bankCode) {
        this.bankCode = bankCode;
        return this;
      }

      /** <strong>Required.</strong> The numeric code for the bank account's bank branch. */
      public Builder setBranchCode(String branchCode) {
        this.branchCode = branchCode;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.NzBankAccount#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.NzBankAccount#extraParams} for the field
       * documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      public Builder setReference(String reference) {
        this.reference = reference;
        return this;
      }

      /** <strong>Required.</strong> The suffix of the bank account number. */
      public Builder setSuffix(String suffix) {
        this.suffix = suffix;
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Oxxo {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Oxxo(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Oxxo build() {
        return new PaymentMethodCreateParams.Oxxo(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Oxxo#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Oxxo#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class P24 {
    /** The customer's bank. */
    @SerializedName("bank")
    Bank bank;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private P24(Bank bank, Map<String, Object> extraParams) {
      this.bank = bank;
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Bank bank;

      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.P24 build() {
        return new PaymentMethodCreateParams.P24(this.bank, this.extraParams);
      }

      /** The customer's bank. */
      public Builder setBank(PaymentMethodCreateParams.P24.Bank bank) {
        this.bank = bank;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.P24#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.P24#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }

    public enum Bank implements ApiRequestParams.EnumParam {
      @SerializedName("alior_bank")
      ALIOR_BANK("alior_bank"),

      @SerializedName("bank_millennium")
      BANK_MILLENNIUM("bank_millennium"),

      @SerializedName("bank_nowy_bfg_sa")
      BANK_NOWY_BFG_SA("bank_nowy_bfg_sa"),

      @SerializedName("bank_pekao_sa")
      BANK_PEKAO_SA("bank_pekao_sa"),

      @SerializedName("banki_spbdzielcze")
      BANKI_SPBDZIELCZE("banki_spbdzielcze"),

      @SerializedName("blik")
      BLIK("blik"),

      @SerializedName("bnp_paribas")
      BNP_PARIBAS("bnp_paribas"),

      @SerializedName("boz")
      BOZ("boz"),

      @SerializedName("citi_handlowy")
      CITI_HANDLOWY("citi_handlowy"),

      @SerializedName("credit_agricole")
      CREDIT_AGRICOLE("credit_agricole"),

      @SerializedName("envelobank")
      ENVELOBANK("envelobank"),

      @SerializedName("etransfer_pocztowy24")
      ETRANSFER_POCZTOWY24("etransfer_pocztowy24"),

      @SerializedName("getin_bank")
      GETIN_BANK("getin_bank"),

      @SerializedName("ideabank")
      IDEABANK("ideabank"),

      @SerializedName("ing")
      ING("ing"),

      @SerializedName("inteligo")
      INTELIGO("inteligo"),

      @SerializedName("mbank_mtransfer")
      MBANK_MTRANSFER("mbank_mtransfer"),

      @SerializedName("nest_przelew")
      NEST_PRZELEW("nest_przelew"),

      @SerializedName("noble_pay")
      NOBLE_PAY("noble_pay"),

      @SerializedName("pbac_z_ipko")
      PBAC_Z_IPKO("pbac_z_ipko"),

      @SerializedName("plus_bank")
      PLUS_BANK("plus_bank"),

      @SerializedName("santander_przelew24")
      SANTANDER_PRZELEW24("santander_przelew24"),

      @SerializedName("tmobile_usbugi_bankowe")
      TMOBILE_USBUGI_BANKOWE("tmobile_usbugi_bankowe"),

      @SerializedName("toyota_bank")
      TOYOTA_BANK("toyota_bank"),

      @SerializedName("velobank")
      VELOBANK("velobank"),

      @SerializedName("volkswagen_bank")
      VOLKSWAGEN_BANK("volkswagen_bank");

      @Getter(onMethod_ = {@Override})
      private final String value;

      Bank(String value) {
        this.value = value;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class PayByBank {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private PayByBank(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.PayByBank build() {
        return new PaymentMethodCreateParams.PayByBank(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.PayByBank#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.PayByBank#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Payco {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Payco(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Payco build() {
        return new PaymentMethodCreateParams.Payco(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Payco#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Payco#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Paynow {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Paynow(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Paynow build() {
        return new PaymentMethodCreateParams.Paynow(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Paynow#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Paynow#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Paypal {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Paypal(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Paypal build() {
        return new PaymentMethodCreateParams.Paypal(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Paypal#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Paypal#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Pix {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Pix(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Pix build() {
        return new PaymentMethodCreateParams.Pix(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Pix#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Pix#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Promptpay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Promptpay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Promptpay build() {
        return new PaymentMethodCreateParams.Promptpay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Promptpay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Promptpay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class RadarOptions {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /**
     * A <a href="https://stripe.com/docs/radar/radar-session">Radar Session</a> is a snapshot of
     * the browser metadata and device details that help Radar make more accurate predictions on
     * your payments.
     */
    @SerializedName("session")
    String session;

    private RadarOptions(Map<String, Object> extraParams, String session) {
      this.extraParams = extraParams;
      this.session = session;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      private String session;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.RadarOptions build() {
        return new PaymentMethodCreateParams.RadarOptions(this.extraParams, this.session);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.RadarOptions#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.RadarOptions#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /**
       * A <a href="https://stripe.com/docs/radar/radar-session">Radar Session</a> is a snapshot of
       * the browser metadata and device details that help Radar make more accurate predictions on
       * your payments.
       */
      public Builder setSession(String session) {
        this.session = session;
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class RevolutPay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private RevolutPay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.RevolutPay build() {
        return new PaymentMethodCreateParams.RevolutPay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.RevolutPay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.RevolutPay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class SamsungPay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private SamsungPay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.SamsungPay build() {
        return new PaymentMethodCreateParams.SamsungPay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.SamsungPay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.SamsungPay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Satispay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Satispay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Satispay build() {
        return new PaymentMethodCreateParams.Satispay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Satispay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Satispay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class SepaDebit {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /** <strong>Required.</strong> IBAN of the bank account. */
    @SerializedName("iban")
    String iban;

    private SepaDebit(Map<String, Object> extraParams, String iban) {
      this.extraParams = extraParams;
      this.iban = iban;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      private String iban;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.SepaDebit build() {
        return new PaymentMethodCreateParams.SepaDebit(this.extraParams, this.iban);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.SepaDebit#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.SepaDebit#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /** <strong>Required.</strong> IBAN of the bank account. */
      public Builder setIban(String iban) {
        this.iban = iban;
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Sofort {
    /**
     * <strong>Required.</strong> Two-letter ISO code representing the country the bank account is
     * located in.
     */
    @SerializedName("country")
    Country country;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Sofort(Country country, Map<String, Object> extraParams) {
      this.country = country;
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Country country;

      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Sofort build() {
        return new PaymentMethodCreateParams.Sofort(this.country, this.extraParams);
      }

      /**
       * <strong>Required.</strong> Two-letter ISO code representing the country the bank account is
       * located in.
       */
      public Builder setCountry(PaymentMethodCreateParams.Sofort.Country country) {
        this.country = country;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Sofort#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Sofort#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }

    public enum Country implements ApiRequestParams.EnumParam {
      @SerializedName("AT")
      AT("AT"),

      @SerializedName("BE")
      BE("BE"),

      @SerializedName("DE")
      DE("DE"),

      @SerializedName("ES")
      ES("ES"),

      @SerializedName("IT")
      IT("IT"),

      @SerializedName("NL")
      NL("NL");

      @Getter(onMethod_ = {@Override})
      private final String value;

      Country(String value) {
        this.value = value;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Swish {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Swish(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Swish build() {
        return new PaymentMethodCreateParams.Swish(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Swish#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Swish#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Token {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /**
     * For backwards compatibility, you can alternatively provide a Stripe token (e.g., for Apple
     * Pay, Amex Express Checkout, or legacy Checkout) into the card hash with format card: {token:
     * &quot;tok_visa&quot;}.
     */
    @SerializedName("token")
    String token;

    private Token(Map<String, Object> extraParams, String token) {
      this.extraParams = extraParams;
      this.token = token;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      private String token;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Token build() {
        return new PaymentMethodCreateParams.Token(this.extraParams, this.token);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Token#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Token#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /**
       * For backwards compatibility, you can alternatively provide a Stripe token (e.g., for Apple
       * Pay, Amex Express Checkout, or legacy Checkout) into the card hash with format card:
       * {token: &quot;tok_visa&quot;}.
       */
      public Builder setToken(String token) {
        this.token = token;
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Twint {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Twint(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Twint build() {
        return new PaymentMethodCreateParams.Twint(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Twint#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Twint#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class UsBankAccount {
    /** Account holder type: individual or company. */
    @SerializedName("account_holder_type")
    AccountHolderType accountHolderType;

    /** Account number of the bank account. */
    @SerializedName("account_number")
    String accountNumber;

    /** Account type: checkings or savings. Defaults to checking if omitted. */
    @SerializedName("account_type")
    AccountType accountType;

    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    /** The ID of a Financial Connections Account to use as a payment method. */
    @SerializedName("financial_connections_account")
    String financialConnectionsAccount;

    /** Routing number of the bank account. */
    @SerializedName("routing_number")
    String routingNumber;

    private UsBankAccount(
        AccountHolderType accountHolderType,
        String accountNumber,
        AccountType accountType,
        Map<String, Object> extraParams,
        String financialConnectionsAccount,
        String routingNumber) {
      this.accountHolderType = accountHolderType;
      this.accountNumber = accountNumber;
      this.accountType = accountType;
      this.extraParams = extraParams;
      this.financialConnectionsAccount = financialConnectionsAccount;
      this.routingNumber = routingNumber;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private AccountHolderType accountHolderType;

      private String accountNumber;

      private AccountType accountType;

      private Map<String, Object> extraParams;

      private String financialConnectionsAccount;

      private String routingNumber;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.UsBankAccount build() {
        return new PaymentMethodCreateParams.UsBankAccount(
            this.accountHolderType,
            this.accountNumber,
            this.accountType,
            this.extraParams,
            this.financialConnectionsAccount,
            this.routingNumber);
      }

      /** Account holder type: individual or company. */
      public Builder setAccountHolderType(
          PaymentMethodCreateParams.UsBankAccount.AccountHolderType accountHolderType) {
        this.accountHolderType = accountHolderType;
        return this;
      }

      /** Account number of the bank account. */
      public Builder setAccountNumber(String accountNumber) {
        this.accountNumber = accountNumber;
        return this;
      }

      /** Account type: checkings or savings. Defaults to checking if omitted. */
      public Builder setAccountType(
          PaymentMethodCreateParams.UsBankAccount.AccountType accountType) {
        this.accountType = accountType;
        return this;
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.UsBankAccount#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.UsBankAccount#extraParams} for the field
       * documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }

      /** The ID of a Financial Connections Account to use as a payment method. */
      public Builder setFinancialConnectionsAccount(String financialConnectionsAccount) {
        this.financialConnectionsAccount = financialConnectionsAccount;
        return this;
      }

      /** Routing number of the bank account. */
      public Builder setRoutingNumber(String routingNumber) {
        this.routingNumber = routingNumber;
        return this;
      }
    }

    public enum AccountHolderType implements ApiRequestParams.EnumParam {
      @SerializedName("company")
      COMPANY("company"),

      @SerializedName("individual")
      INDIVIDUAL("individual");

      @Getter(onMethod_ = {@Override})
      private final String value;

      AccountHolderType(String value) {
        this.value = value;
      }
    }

    public enum AccountType implements ApiRequestParams.EnumParam {
      @SerializedName("checking")
      CHECKING("checking"),

      @SerializedName("savings")
      SAVINGS("savings");

      @Getter(onMethod_ = {@Override})
      private final String value;

      AccountType(String value) {
        this.value = value;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class WechatPay {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private WechatPay(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.WechatPay build() {
        return new PaymentMethodCreateParams.WechatPay(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.WechatPay#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.WechatPay#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  @Getter
  @EqualsAndHashCode(callSuper = false)
  public static class Zip {
    /**
     * Map of extra parameters for custom features not available in this client library. The content
     * in this map is not serialized under this field's {@code @SerializedName} value. Instead, each
     * key/value pair is serialized as if the key is a root-level field (serialized) name in this
     * param object. Effectively, this map is flattened to its parent instance.
     */
    @SerializedName(ApiRequestParams.EXTRA_PARAMS_KEY)
    Map<String, Object> extraParams;

    private Zip(Map<String, Object> extraParams) {
      this.extraParams = extraParams;
    }

    public static Builder builder() {
      return new Builder();
    }

    public static class Builder {
      private Map<String, Object> extraParams;

      /** Finalize and obtain parameter instance from this builder. */
      public PaymentMethodCreateParams.Zip build() {
        return new PaymentMethodCreateParams.Zip(this.extraParams);
      }

      /**
       * Add a key/value pair to `extraParams` map. A map is initialized for the first `put/putAll`
       * call, and subsequent calls add additional key/value pairs to the original map. See {@link
       * PaymentMethodCreateParams.Zip#extraParams} for the field documentation.
       */
      public Builder putExtraParam(String key, Object value) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.put(key, value);
        return this;
      }

      /**
       * Add all map key/value pairs to `extraParams` map. A map is initialized for the first
       * `put/putAll` call, and subsequent calls add additional key/value pairs to the original map.
       * See {@link PaymentMethodCreateParams.Zip#extraParams} for the field documentation.
       */
      public Builder putAllExtraParam(Map<String, Object> map) {
        if (this.extraParams == null) {
          this.extraParams = new HashMap<>();
        }
        this.extraParams.putAll(map);
        return this;
      }
    }
  }

  public enum AllowRedisplay implements ApiRequestParams.EnumParam {
    @SerializedName("always")
    ALWAYS("always"),

    @SerializedName("limited")
    LIMITED("limited"),

    @SerializedName("unspecified")
    UNSPECIFIED("unspecified");

    @Getter(onMethod_ = {@Override})
    private final String value;

    AllowRedisplay(String value) {
      this.value = value;
    }
  }

  public enum Type implements ApiRequestParams.EnumParam {
    @SerializedName("acss_debit")
    ACSS_DEBIT("acss_debit"),

    @SerializedName("affirm")
    AFFIRM("affirm"),

    @SerializedName("afterpay_clearpay")
    AFTERPAY_CLEARPAY("afterpay_clearpay"),

    @SerializedName("alipay")
    ALIPAY("alipay"),

    @SerializedName("alma")
    ALMA("alma"),

    @SerializedName("amazon_pay")
    AMAZON_PAY("amazon_pay"),

    @SerializedName("au_becs_debit")
    AU_BECS_DEBIT("au_becs_debit"),

    @SerializedName("bacs_debit")
    BACS_DEBIT("bacs_debit"),

    @SerializedName("bancontact")
    BANCONTACT("bancontact"),

    @SerializedName("billie")
    BILLIE("billie"),

    @SerializedName("blik")
    BLIK("blik"),

    @SerializedName("boleto")
    BOLETO("boleto"),

    @SerializedName("card")
    CARD("card"),

    @SerializedName("cashapp")
    CASHAPP("cashapp"),

    @SerializedName("crypto")
    CRYPTO("crypto"),

    @SerializedName("custom")
    CUSTOM("custom"),

    @SerializedName("customer_balance")
    CUSTOMER_BALANCE("customer_balance"),

    @SerializedName("eps")
    EPS("eps"),

    @SerializedName("fpx")
    FPX("fpx"),

    @SerializedName("giropay")
    GIROPAY("giropay"),

    @SerializedName("grabpay")
    GRABPAY("grabpay"),

    @SerializedName("ideal")
    IDEAL("ideal"),

    @SerializedName("kakao_pay")
    KAKAO_PAY("kakao_pay"),

    @SerializedName("klarna")
    KLARNA("klarna"),

    @SerializedName("konbini")
    KONBINI("konbini"),

    @SerializedName("kr_card")
    KR_CARD("kr_card"),

    @SerializedName("link")
    LINK("link"),

    @SerializedName("mb_way")
    MB_WAY("mb_way"),

    @SerializedName("mobilepay")
    MOBILEPAY("mobilepay"),

    @SerializedName("multibanco")
    MULTIBANCO("multibanco"),

    @SerializedName("naver_pay")
    NAVER_PAY("naver_pay"),

    @SerializedName("nz_bank_account")
    NZ_BANK_ACCOUNT("nz_bank_account"),

    @SerializedName("oxxo")
    OXXO("oxxo"),

    @SerializedName("p24")
    P24("p24"),

    @SerializedName("pay_by_bank")
    PAY_BY_BANK("pay_by_bank"),

    @SerializedName("payco")
    PAYCO("payco"),

    @SerializedName("paynow")
    PAYNOW("paynow"),

    @SerializedName("paypal")
    PAYPAL("paypal"),

    @SerializedName("pix")
    PIX("pix"),

    @SerializedName("promptpay")
    PROMPTPAY("promptpay"),

    @SerializedName("revolut_pay")
    REVOLUT_PAY("revolut_pay"),

    @SerializedName("samsung_pay")
    SAMSUNG_PAY("samsung_pay"),

    @SerializedName("satispay")
    SATISPAY("satispay"),

    @SerializedName("sepa_debit")
    SEPA_DEBIT("sepa_debit"),

    @SerializedName("sofort")
    SOFORT("sofort"),

    @SerializedName("swish")
    SWISH("swish"),

    @SerializedName("twint")
    TWINT("twint"),

    @SerializedName("us_bank_account")
    US_BANK_ACCOUNT("us_bank_account"),

    @SerializedName("wechat_pay")
    WECHAT_PAY("wechat_pay"),

    @SerializedName("zip")
    ZIP("zip");

    @Getter(onMethod_ = {@Override})
    private final String value;

    Type(String value) {
      this.value = value;
    }
  }
}
